:root {
    --header-height:3rem;


    --hue-color:206;
    --black-color: hsl(var(--hue-color), 4%, 4%);
    --black-color-alt: hsl(var(--hue-color), 4%, 8%);
    --title-color: hsl(var(--hue-color), 4%, 95%);
    --text-color: hsl(var(--hue-color), 4%, 75%);
    --text-color-light: hsl(var(--hue-color), 4%, 65%);
    --white-color: #fff;
    --body-color: hsl(var(--hue-color), 4%, 6%);
    --container-color: hsl(var(--hue-color), 4%, 10%);
    --black-color: hsl(var(--hue-color), 4%, 4%);
    --text-gradient: linear-gradient(hsl(var(--hue-color), 4%, 24%),hsl(var(--hue-color), 4%, 8%));
    --scroll-thumb-color: hsl(var(--hue-color), 4%, 16%);
    --scroll-thumb-color-alt: hsl(var(--hue-color), 4%, 20%);
    



    --body-font: 'poppins', sans-serif;
    --biggest-font-size: 5rem;
    --bigger-font-size:3.5rem;
    --big-font-size: 2.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;
    --text-line-height: 2rem;




    --font-medium: 500;
    --font-semi-bold:600;




    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;



    --z-tooltip:10;
    --z-fixed:100;
}

@media screen and (min-width: 968px) {
    :root {
        --biggest-font-size:7.5rem;
        --bigger-font-size: 4.5rem;
        --big-font-size: 4rem;
        --h2-font-size:1.5rem;
        --h3-font-size:1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;

    }
}






*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


html{
    scroll-behavior: smooth;
}

body{
    margin: var(--header-height) 0 0 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
}

h1,h2,h3{
    color: var(--title-color);
}

ul{
    list-style: none;
}

a{
    text-decoration: none;
}

button,
input{
    border: none;
    outline: none;
}

img{
    max-width: 100%;
    height: auto;
}


.section{
    padding:  4rem 0 2rem;
}
.section_title {
    font-size: var(--bigger-font-size);
    text-align: center;
    margin-bottom: var(--mb-2-5);
}


.section_title-gradient{
    background: var(--text-gradient);
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
}




.main {
    overflow: hidden;
}


.container{
    max-width: 968px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid{
    display: grid;
}

.header{
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background: transparent;
}



.nav{
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav_logo{
    display: flex;
    width: 1.5rem;
}



.nav_toggle{
    font-size: 1.2rem;
    color: var(--white-color);
    cursor: pointer;
}


@media screen and (max-width:767px){
    .nav_menu{
        position:fixed;
        background-color: var(--body-color);
        top: -100%;
        left: 0;
        width: 100%;
        padding: 4rem 0 3rem;
        transition: .4s;
    }
}


.nav_list{
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 1rem;
}

.nav_link{
    color: var(--white-color);
   font-size: var(--h2-font-size);
     text-transform: uppercase;
    font-weight: var(--font-semi-bold);
   background: var(--text-gradient);
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
}


.nav_link:hover{
    background: var(--white-color);
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;

}

.nav_close{
  position: absolute;
  font-size: 1.5rem;
  top: 1rem;
  right: 1rem;
  color: var(--white-color);
  cursor: pointer;  
}

.show-menu{
    top: 0;
}
.scroll-header{
    background-color: var(--black-color);
}
.active-link{
    background: var(--white-color);
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
}

/*=====================Home================*/
.home_img{
    width: 250px;
    position: absolute;
    top: -16rem;
    right: 1.5rem;
}

.home_data{
    padding-top: 5rem;
}

.home_header{
    position: relative;
}

.home_title{
    font-size: var(--biggest-font-size);
    background: var(--text-gradient);
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    position: absolute;
    top: -4rem;
    left: 1rem;
    line-height: 6rem;
}
.home_subtitle{
    font-size: var(--big-font-size);
    margin-bottom: var(--mb-2-5);
}
.home_title-description{
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1);
}

.home_description{
    margin-bottom: var(--mb-2-5);
    line-height: var(--text-line-height);
}

.home_price{
    font-size: var(--h3-font-size);
    font-weight: var(--font-semi-bold);
    margin-left: var(--mb-0-75);
}
/*===================button================*/
.button{
    display: inline-block;
    background-color: var(--black-color);
    color: var(--white-color);
    padding: 1rem 1.25rem;
    border-radius: .5rem;
    transition: .3s;
}
.button:hover{
    background-color: var(--black-color);
}
.button_icon{
    font-size: 2rem;
}

.button--flex{
    display: inline-flex;
    align-items: center;
    column-gap: .75rem;
}

.sponsor_img{
    width: 90px;
}
.sponsor_container{
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    row-gap: 5rem;
    justify-items: center;
    align-items: center;
}

/*================specs================*/
.specs_container{
    position: relative;
}

.specs_content{
  row-gap: 1.5rem;  
}

.specs_data{
    display: grid;
    row-gap: .25rem;
}

.specs_icon{
    font-size: 1.2rem;
    color: var(--white-color);
}

.specs_title{
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.specs_subtitle{
    font-size: var(--smaller-font-size);
}

.specs_data:nth-child(1),
.specs_data:nth-child(4){
    margin-left: var(--mb-1-5);
}

.specs_img{
    width: 250px;
    position: absolute;
    top: 2rem;
    right: -4rem;
}
/*===================speaker================*/
.speaker_container{
    position: relative;
    grid-template-columns: repeat(2, 1fr);
}

.speaker_data{
    padding: 5rem 0 3rem;

}

.speaker_img{
    width: 250px;
    position: absolute;
    left: -7rem;
}
.speaker_description{
    margin-bottom: var(--mb-1-5);
    line-height: var(--text-line-height);
}

/*=================discount================*/
.discount_container{
    position: relative;
    background-color: var(--container-color);
    padding: 2rem 1.5rem;
    border-radius: .75rem;
}

.discount_title{
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-75);
}
.discount_description{
    margin-bottom: var(--mb-1);
}
.discount_img{
    width: 300px;
    position: absolute;
    top: 4rem;
    right: -11rem;
}

/*=================discount================*/
.products_{
    line-height: 4rem;
}
.products_container{
    grid-template-columns: repeat(2, 1fr);
    gap: 5rem 1.5rem;
    padding-top: 3rem;
}
.products_card{
    position: relative;
    height: 132px;
    background-color: var(--container-color);
    padding: .75rem;
    border-radius: .5rem;
    display: grid;
}
.products_img{
    width: 80px;
    position: absolute;
    inset: 0;
    margin-left: auto;
    margin-right: auto;
    top: -3rem;
}

.products_content{
    align-self: flex-end;
}

.products_title,
.products_price{
    font-size: var(--small-font-size);
}

.products_price{
    font-weight: var(--font-semi-bold);
}

.products_button{
    position: absolute;
    right: .5rem;
    bottom: .5rem;
    padding: .5rem;
    border-radius: .35rem;
}

/*=================footert================*/
.footer_container{
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    row-gap: 2rem;
}
.footer_logo{
    width: 2rem;
}

.footer_title{
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1)
}
.footer_links{
    display: flex;
    flex-direction: column;
    row-gap: .5rem;
}

.footer_link{
    color: var(--text-color);
}
.footer_link:hover{
    color: var(--white-color);
}

.footer_form{
    display: flex;
    column-gap: .5rem;
    background-color: var(--container-color);
    padding: .5rem .75rem;
    border-radius: .5rem;
    margin-bottom: var(--mb-2);
}
.footer__input{
    background-color: var(--container-color);
    width: 90%;
    color: var(--white-color);
}

.footer_input::placeholder{
    color: var(--text-color);
    font-size: var(--normal-font-size);
    font-family: var(--body-font);
}

.footer_social{
    display: flex;
    column-gap: 1.25rem;
}

.footer_social-link{
    display: inline-flex;
    color: var(--white-color);
    background-color: var(--container-color);
    padding: .5rem;
    border-radius: var(--mb-1-5);
    font-size: 1rem;
}

.footer_social-link:hover{
    background-color: var(--black-color);

}

.footer_copy{
    margin-top: 5rem;
    text-align: center;
}

.footer_copy-link{
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

/*=================scrollup================*/
.scrollup{
    position: fixed;
    right: 1rem;
    bottom: -20%;
    display: flex;
    background-color: var(--container-color);
    border-radius: .25rem;
    padding: .45rem;
    opacity: 9;
    z-index: var(--z-tooltip);
    transition: .4s;
}

.scrollup_icon{
    color: var(--white-color);
    font-size: 1.35rem;

}

.scrollup:hover{
    background-color: var(--black-color);
    opacity: 1;
}

.show-scroll{
    bottom: 5rem;
}

/*=================scrollbar================*/
::-webkit-scrollbar{
    width: .60rem;
    border-radius: .5rem;
}
::-webkit-scrollbar-thumb{
    background-color: var(--scroll-thumb-color);
    border-radius: .5rem;
}
::-webkit-scrollbar-thumb:hover{
    background-color: var(--scroll-thumb-color-alt);

}

@media screen and (max-width: 340px){
    .container{
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }

    .section_title{
        font-size: var(--big-font-size);
    }

    .home_img{
        width: 200px;
        top: -13rem;
    }
    .home_title{
        top: -4rem;
        font-size: var(--bigger-font-size);
    }
    .home_data{
        padding-top: 1rem;
    }
    .home_description{
        font-size: var(--small-font-size);
    }
    .specs_img{
        width: 200px;
    }
    .speaker_container{
        grid-template-columns: .6fr 1fr;
    }
    .speaker_img{
        width: 220px;
        top: -2rem;
        left: -9rem;
    }
    .speaker_data{
        padding: 0;
    }
    .products_container{
        grid-template-columns: 142px;
        justify-content: center;
    }
}

@media screen and (min-width: 576px){
.home_container{
    grid-template-columns: .8fr 1fr;
}  

.home_data{
    padding-top: 2rem;
}
 
.home_img{
    top: -7rem;
    left: 0;
}

.specs_img{
    position: initial;
}

.specs_container{
    grid-template-columns: repeat(2, 1fr);
    justify-content: center;
    align-items: center;
}
 
.speaker_img{
    position: initial;
}

.speaker_data{
    padding: 0;
}

.speaker_container{
    grid-template-columns: max-content 250px;
    justify-content: center;
    align-items: center;
    column-gap: 2rem;
}

.discount_img{
    position: initial;
}

.discount_container{
    grid-template-columns: repeat(2, 1fr);
    justify-content: center;
    align-items: center;
}
.products_container{
    grid-template-columns: repeat(3, 142px);
    justify-content: center;
}
}
 
  @media screen and (min-width: 767px){
    body{
        margin: 0;
    }
    .section{
        padding: 6rem 0 2rem;
    }
    .nav{
     height: cal(var(--header-height) + 1.5rem);
    }
    .nav_logo{
        width: 2rem;
    }  
    .nav_list{
       flex-direction: row;
       column-gap: 3.5rem;
       
    }
    .nav_link{
        font-size: var(--normal-font-size);
        text-transform: initial;
    }
    .nav_toggle,
    .nav_close{
        display: none;
    }
    .home_container{
        position: relative;
        grid-template-columns: repeat(2, 1fr);
    }
    .home_img{
        top: -9rem;
        left: 4rem;
    }
    .home_data{
        padding-top: 8rem;
    }
    .specs_img{
        width: 300px;
    }
    .speaker_container{
        column-gap: 5rem;
    }
    .speaker_img{
        width: 300px;
    }
    .speaker_description{
        margin-bottom: var(--mb-2);
    }
    .discount_container{
        grid-template-columns: 250px max-content;
        justify-content: center;
        column-gap: 5rem;
        padding: 3rem 0;
    }
    .discount_title{
        font-size: var(--h2-font-size);
        margin-bottom: var(--mb-1);
    }
    .discount_description{
        margin-bottom: var(--mb-2);
    }
    .products_container{
        grid-template-columns: repeat(3, 162px);
        gap: 6rem 3rem;
        padding-top: 5rem;
    }
    .products_card{
        height: 152px;
        padding: .85rem;
    }
    .products_img{
        width: 95px;
    }
    .footer_container{
        grid-template-columns: .4fr .7fr .7fr 1fr;
    }
}
 
@media screen and (min-width: 1024px){
   .container{
       margin-left: auto;
       margin-right: auto;
   }
    .home_img{
      width: 300px;
      top: -15rem;
    }
    .home_title{
        top: -5rem;
        left: 3.5rem;
    }
    .home_description{
        padding-right: 5rem;
    }
    .sponsor_img{
        width: 100px;
    }
    .discount_img{
        width: 350px;
    }
    .footer_container{
        padding-top: 3rem;
    }
    .footer_copy{
        margin-top: 9rem;
    }
}